64 KByte Flash Module (S12FTMRG64K4KV2)
MC9S12VRP Family Reference Manual Rev. 1.3
464
NXP Semiconductors
18.4
Functional Description
18.4.1
Modes of Operation
The FTMRG64K4K module provides the modes of operation normal and special. The operating mode is
determined by module-level inputs and affects the FCLKDIV, FCNFG, FPROT and DFPROT registers
(see
18.4.2
IFR Version ID Word
The version ID word is stored in the IFR at address 0x0_40B6. The contents of the word are defined in
.
•
VERNUM: Version number. The first version is number 0b_0001 with both 0b_0000 and 0b_1111
meaning ‘none’.
18.4.3
Internal NVM resource (NVMRES)
IFR is an internal NVM resource readable by CPU, when NVMRES is active. The IFR fields are shown
in
The NVMRES global address map is shown in
18.4.4
Flash Command Operations
Flash command operations are used to modify Flash memory contents.
The next sections describe:
•
How to write the FCLKDIV register that is used to generate a time base (FCLK) derived from
BUSCLK for Flash program and erase command operations
•
The command write sequence used to set Flash command parameters and launch execution
•
Valid Flash commands available for execution, according to MCU functional mode and MCU
security state.
Table 18-26. IFR Version ID Fields
[15:4]
[3:0]
Reserved
VERNUM
Summary of Contents for MC9S12VRP64
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Page 46: ...Device Overview S12VRP Series MC9S12VRP Family Reference Manual Rev 1 3 46 NXP Semiconductors ...
Page 236: ...S12S Debug Module S12DBGV2 MC9S12VRP Family Reference Manual Rev 1 3 236 NXP Semiconductors ...
Page 244: ...Interrupt Module S12SINTV1 MC9S12VRP Family Reference Manual Rev 1 3 244 NXP Semiconductors ...
Page 358: ...Timer Module TIM16B2CV3 MC9S12VRP Family Reference Manual Rev 1 3 358 NXP Semiconductors ...
Page 436: ...Supply Voltage Sensor BATSV2 MC9S12VRP Family Reference Manual Rev 1 3 436 NXP Semiconductors ...
Page 528: ...NVM Electrical Parameters MC9S12VRP Family Reference Manual Rev 1 3 528 NXP Semiconductors ...
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